A fearsome shark bite crushes with raw power, yet a tiny piranha delivers unmatched strength for its size. Scientists compare ...

A humungous shark that lived 115 million years ago surpassed the size of modern-day great whites, paleontologists discovered ...

Whale sharks are the largest species of shark. Their gentle manner and massive size make them the gentle giants of the ocean. However, one especially large whale shark has been spotted off the Pacific ...

New research into the ancient megalodon shark species has revealed the most accurate estimates of its size to date. The creatures could grow to 59 feet in length, according to researchers. The sharks ...

An Australian fossil reveals the first lamniform shark, measuring 20 feet long and living 15 million years earlier than believed.

The shark from "Jaws" is the stuff of legends. The shark from the movie, which returns to theaters this year to celebrate the 50th anniversary of its release, is still a cultural fascination. The ...

Fossils reveal that giant predatory sharks existed 15 million years before megalodon and were already top predators in Cretaceous seas.

A pair of South Carolina anglers on Wednesday caught and released a hammerhead shark that was at least 400 pounds heavier than the longstanding state record, and perhaps rivaled the world record.

Crocodiles and sharks are at the very pinnacle of the food chain, feared not only by their prey but more often than not by ...

In the age of dinosaurs—before whales, great whites or the bus-sized megalodon—a monstrous shark prowled the waters off ...